1320005608 has 16 divisors (see below), whose sum is σ = 2475396000. Its totient is φ = 659900016.

The previous prime is 1320005591. The next prime is 1320005611. The reversal of 1320005608 is 8065000231.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93733 + ... + 106891.

It is an arithmetic number, because the mean of its divisors is an integer number (154712250).

Almost surely, 2^1320005608 is an apocalyptic number.

It is an amenable number.

1320005608 is a deficient number, since it is larger than the sum of its proper divisors (1155390392).

1320005608 is a wasteful number, since it uses less digits than its factorization.

1320005608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25704 (or 25700 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1320005608 is about 36331.8814266479. The cubic root of 1320005608 is about 1096.9628639588.

Adding to 1320005608 its reverse (8065000231), we get a palindrome (9385005839).

The spelling of 1320005608 in words is "one billion, three hundred twenty million, five thousand, six hundred eight".